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We performed the detailed microscopic analysis of the inter-layer magnetic couplings for bilayer CrI$_3$. As the first step toward understanding the recent experimental observations and utilizing them for device applications, we estimated…

Materials Science · Physics 2019-04-10 Seung Woo Jang , Min Yong Jeong , Hongkee Yoon , Siheon Ryee , Myung Joon Han

We report anisotropic magnetocaloric effect and magnetic critical behavior in van der Waals crystal CrCl$_3$. The maximum magnetic entropy change $-\Delta S_M^{max} \sim 14.6$ J kg$^{-1}$ K$^{-1}$ and the relative cooling power $RCP \sim…

Materials Science · Physics 2020-07-16 Yu Liu , C. Petrovic

To understand the nature of magnetic phase transition in nano-crystalline Pr$_2$CoMnO$_6$, in present study we have investigated the critical behavior and magnetocaloric effect. To estimate the critical exponents, various methods have been…

Strongly Correlated Electrons · Physics 2019-02-26 Ilyas Noor Bhatti , Imtiaz Noor Bhatti , Rabindra Nath Mahato , M. A. H. Ahsan

Through advanced experimental techniques on CrI$_{3}$ single crystals, we derive a previously not discussed pressure-temperature phase diagram. We find that $T_{c}$ increases to $\sim$ 66\,K with pressure up to $\sim$ 3\,GPa followed by a…

Two-dimensional (2D) layered magnetic materials are generating a great amount of interest for the next generation of electronic devices thanks to their remarkable properties associated to spin dynamics. The recently discovered layered…

Chromium triiodide is an intrinsically magnetic van der Waals material down to the single-layer limit. Here, we provide a first-principles description of finite-temperature magnetic and spectral properties of monolayer (ML) CrI$_3$ based on…

Strongly Correlated Electrons · Physics 2022-05-24 Yaroslav O. Kvashnin , Alexander N. Rudenko , Patrik Thunström , Malte Rösner , Mikhail I. Katsnelson

Identifying intrinsic low-dimensional ferromagnets with high transition temperature and electrically tunable magnetism is crucial for the development of miniaturized spintronics and magnetoelectrics. Recently long-range 2D ferromagnetism…

Materials Science · Physics 2020-08-27 Hua Wang , Jingshan Qi , Xiaofeng Qian

Layered Ising metamagnets are antiferromagnetic (AF) materials consisting of monolayer Ising ferromagnets coupled to each other via interlayer AF interactions. They exhibit rich magnetic phase diagrams, featuring tricritical and critical…

Mesoscale and Nanoscale Physics · Physics 2026-01-29 Feng Liu , Jiayong Xiao , Shengwei Jiang , Kin Fai Mak , Jie Shan

We have studied the critical behaviour in $La_{0.5}Sr_{0.5}CoO_{3}$ near the paramagnetic-ferromagnetic transition temperature. We have analysed our dc magnetisation data near the transition temperature with the help of modified Arrott…

Materials Science · Physics 2007-05-23 S. Mukherjee , P. Raychaudhuri , A. K. Nigam

Few-layer CrI$_3$ is the most known example among two-dimensional (2D) ferromagnets, which have attracted growing interest in recent years. Despite considerable efforts and progress in understanding the properties of 2D magnets both from…

Strongly Correlated Electrons · Physics 2021-01-14 I. V. Kashin , V. V. Mazurenko , M. I. Katsnelson , A. N. Rudenko

CrI3 is a two-dimensional ferromagnetic van der Waals material with a charge gap of 1.1-1.2 eV. In this study, the electronic structure and magnetism of CrI3 are investigated by using density functional theory and dynamical mean-field…

Strongly Correlated Electrons · Physics 2022-04-27 Tianye Yu , Rui Liu , Huican Mao , Xiaobo Ma , Guangwei Wang , Zhihong Yuan , Pengyu Zheng , Yiran Peng , Zhiping Yin

The modified Arrott plots and Kouvel${\text -}$Fisher analysis are used to investigate the critical behavior of $CrTe_{1-x}Sb_{x}$ ferromagnetic material near its transition temperature $T_{c}$. The Ferro${\text -}$Paramagnetic transition…

Strongly Correlated Electrons · Physics 2019-07-25 Morad Kh. Hamad , Khalil A. Ziq

The synthesis, structural, magnetic, thermal and transport properties are reported for polycrystalline PrIr3. At room temperature PrIr3 displays the rhombohedral space group R-3m and a PuNi3- type structure. At around 70 K a phase…

We investigate the structural, magnetocrystalline anisotropy, critical behaviour, and magnetocaloric effect in the layered room-temperature monoclinic ferromagnet Cr$_{1.38}$Te$_2$. The critical behavior is studied by employing various…

Evolution of magnetism in single crystals of the van der Waals compound VI3 in external pressure up to 7.3 GPa studied by measuring magnetization and ac magnetic susceptibility is reported. Four magnetic phase transitions, at T1 = 54.5 K,…

Recently, two-dimensional ferromagnetism in the family of Chromium compounds $\rm CrXTe_3 (X=Si, Ge)$ has attracted a broad research interest. Despite the structural similarity in $\rm CrTe_6$ octahedra, the size effect of inserted Ge or Si…

Applied Physics · Physics 2021-08-03 Zefang Li , Xue Li , Bei Ding , Hang Li , Yuan Yao , Xuekui Xi , Wenhong Wang

CrI3, as a soft van der Waals layered magnetic material, has been widely concerned and explored for its magnetic complexity and tunability. In this work, high quality and large size thin CrI3, V and Mn doped single crystals were prepared by…

Materials Science · Physics 2023-12-01 Shuang Pan , Yuqing Bai , Jiaxuan Tang , Peihao Wang , Yurong You , Guizhou Xu , Feng Xu

Magnetic anisotropy is crucial for sustaining long range magnetic order in two-dimensional materials (2D) and must be taken into account by any approximate scheme for calculating critical temperatures. While 2D ferromagnets have received…

Materials Science · Physics 2026-02-18 Varun Rajeev Pavizhakumari , Thomas Olsen

CrI$_3$ represents one of the most important van der Waals systems on the route to understanding two-dimensional magnetic phenomena. Being arranged in a specific layered structure it also provides a unique opportunity to investigate…

Strongly Correlated Electrons · Physics 2023-08-29 Petr Doležal , Marie Kratochvílová , Dávid Hovančík , Václav Holý , Vladimír Sechovský , Jiří Pospíšil

Magnetoelastic coupling and uniaxial pressure dependencies of the ferromagnetic ordering temperature in the quasi-two-dimensional layered van-der-Waals material CrI$_3$ are experimentally studied and quantified by high-resolution…

Strongly Correlated Electrons · Physics 2022-02-23 J. Arneth , M. Jonak , S. Spachmann , M. Abdel-Hafiez , Y. O. Kvashnin , R. Klingeler